<template>
  <el-form class="login-form"
           status-icon
           :rules="loginRules"
           ref="loginForm"
           :model="loginForm"
           label-width="0">
    <el-form-item prop="username">
      <el-input size="small"
                @keyup.enter.native="handleLogin"
                v-model="loginForm.username"
                auto-complete="off"
                :placeholder="$t('login.username')">
        <i slot="prefix"
           class="icon-yonghu"></i>
      </el-input>
    </el-form-item>
    <el-form-item prop="password">
      <el-input size="small"
                @keyup.enter.native="handleLogin"
                :type="passwordType"
                v-model="loginForm.password"
                auto-complete="off"
                :placeholder="$t('login.password')">
        <i class="el-icon-view el-input__icon"
           slot="suffix"
           @click="showPassword"></i>
        <i slot="prefix"
           class="icon-mima"></i>
      </el-input>
    </el-form-item>
    <el-form-item prop="code" v-if=" !['text','img'].includes(code.type)">
      <el-input size="small"
                @keyup.enter.native="handleLogin"
                v-model="loginForm.code"
                auto-complete="off"
                :placeholder="$t('login.code')">
        <i slot="prefix"
           class="icon-yanzhengma"
           style="margin-top:6px;"></i>
        <template slot="append">
          <span @click="handleSend"
                class="msg-text"
                :class="[{display:msgKey}]">{{msgText}}</span>
        </template>
      </el-input>
    </el-form-item>

    <el-form-item prop="code" v-else>
      <el-row :span="24">
        <el-col :span="16">
          <el-input size="small"
                    @keyup.enter.native="handleLogin"
                    :maxlength="code.len"
                    v-model="loginForm.code"
                    auto-complete="off"
                    :placeholder="$t('login.code')">
            <i slot="prefix"
               class="icon-yanzhengma"></i>
          </el-input>
        </el-col>
        <el-col :span="8">
          <div class="login-code">
            <span class="login-code-img"
                  @click="refreshCode"
                  v-if="code.type == 'text'">{{code.value}}</span>
            <img :src="code.src"
                 class="login-code-img"
                 @click="refreshCode"
                  v-else />
            <!-- <i class="icon-shuaxin login-code-icon" @click="refreshCode"></i> -->
          </div>
        </el-col>
      </el-row>

    </el-form-item>

    <el-form-item>
      <el-button type="primary"
                 size="small"
                 @click.native.prevent="handleLogin"
                 class="login-submit">{{$t('login.submit')}}</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { randomLenNum } from "@/util/util";
import { mapGetters } from "vuex";
import { VerifyCode } from "@/api/user";

export default {
  name: "userlogin",
  data() {
    const validateCode = (rule, value, callback) => {
      if (this.code.value != value && ['text'].includes(this.code.type)) {
        this.loginForm.code = "";
        //this.refreshCode();
        callback(new Error("请输入正确的验证码"));
      } else {
        callback();
      }
    };
    return {
      msgText: "",
      msgTime: "",
      msgKey: false,
      loginForm: {
        username: "",
        password: "",
        code: "",
        redomStr: ""
      },
      checked: false,
      code: {
        src: "",
        value: "",
        len: 4,
        type: window.cellreport.cr_login_verfiy_code_type??"text"
      },
      loginRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" }
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, message: "密码长度最少为6位", trigger: "blur" }
        ],
        code: [
          { required: true, message: "请输入验证码", trigger: "blur" },
          { min: 4, max: 4, message: "验证码长度为4位", trigger: "blur" },
          { required: true, trigger: "blur", validator: validateCode }
        ]
      },
      passwordType: "password"
    };
  },
  created() {
    this.msgText = this.config.MSGINIT;
    this.msgTime = this.config.MSGTIME;
    if(['text','img'].includes(this.code.type))
      this.refreshCode();
  },
  mounted() {},
  computed: {
    ...mapGetters(["tagWel"]),
    config() {
      return {
        MSGINIT: this.$t("login.msgText"),
        MSGSCUCCESS: this.$t("login.msgSuccess"),
        MSGTIME: 60
      };
    }
  },
  props: [],
  methods: {
    handleSend() {
      if (this.msgKey) return;
      if(this.loginForm.username.trim()==""){
        this.$message.error("用户名为空")
        return
      }
      VerifyCode(this.loginForm.username,this.code.len).then((res)=>{
          if(res.errcode==1)
            this.$message.error(res.message)
          else if(res.errcode==0){
            this.msgText = this.msgTime + this.config.MSGSCUCCESS;
            this.msgKey = true;
            const time = setInterval(() => {
              this.msgTime--;
              this.msgText = this.msgTime + this.config.MSGSCUCCESS;
              if (this.msgTime == 0) {
                this.msgTime = this.config.MSGTIME;
                this.msgText = this.config.MSGINIT;
                this.msgKey = false;
                clearInterval(time);
              }
            }, 1000);
          }
          else
            this.$message.error(res)
        })      
    },
    refreshCode() {
      this.loginForm.redomStr = randomLenNum(this.code.len, false);
      if(this.code.type == "text")
        this.code.value = randomLenNum(this.code.len)
      else if (this.code.type == "img")
        this.code.src = `${this.codeUrl}?userid=${this.loginForm.username}&code_len=${this.code.len}&t=${Date.now()}`;
      else{
        VerifyCode(this.loginForm.username,this.code.len).then((res)=>{
          if(res.errcode)
            this.$message.error(res.message)
        })
      }
      //this.loginForm.code = this.code.value;
    },
    showPassword() {
      this.passwordType == ""
        ? (this.passwordType = "password")
        : (this.passwordType = "");
    },
    handleLogin() {
      let old_this=this
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.$store.dispatch("LoginByUsername", this.loginForm).then(() => {
            console.info(this.tagWel.value)
            
            this.$router.push({ path: this.tagWel.value });
          });
        }
      });
    }
  }
};
</script>

<style>
</style>
